Papers of particular interest, published recently, have been highlighted as:
• Of importance
•• Of major importance
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| aChoosing Healthy Options in College Environments & Settings (CHOICES)87,90,98–100 | N=44167.6% female72.6% white100% student (2-year college) Age= 22.7 (5.0)b BMI = 25.4 (3.8)b | 24-month weight gain prevention interventionIntervention: 1-credit college course + intervention website with social support, resources, and self-monitoring platform Control: Quarterly health promotion information | No difference in BMI, weight, waist circumference, or body fat percentage between intervention and control at 24 months Significant reduction in prevalence of BMI ≥ 25 in intervention compared to control at 24 months |
| Cell Phone Intervention for You (CITY)84,96 | N=36569.6% female56.2% white34.3% student Age = 29.4 (4.3)b BMI = 35.2 (7.8)b | 24-month weight loss interventionIntervention 1 (CP): Comprehensive interactive cell phone app used for both intervention delivery and self-monitoringIntervention 2 (PC): Delivered via group sessions and personal coaching; self-monitoring via smartphone Control: Provided 3 handouts on healthy eating and physical activity | No difference in weight loss between groups at 24 months Significantly greater weight losses in PC compared to both CP and Control at 6 and 12 months |
| eMoms83 | N=1689 (ITT)100% pregnant women68.0% white[student status not reported] Age = 27.5 (4.7)b BMI = 25.4 (4.3)b | See footnoted | See footnoted |
| Innovative Approaches to Diet, Exercise, and Activity (IDEA)82,97 | N=47171.1% female77.2% white25.7% student Age = 30.9 (27.8–33.7)c BMI = 31.2 (28.4–34.3)c | 24-month weight loss interventionIntervention 1 (Standard): in-person group behavioral weight loss + phone counseling/study website; self-monitoring via website Intervention 2 (Enhanced): in-person group behavioral weight loss + phone counseling/study website; self-monitoring via provided wearable device + web platform | No difference in body composition, physical activity, or dietary behaviors between groups Significantly greater weight losses in Standard compared to Enhanced at 12, 18, & 24 months |
| Study of Novel Approaches to Weight Gain Prevention (SNAP)85,101–102 | N=59978.3% female73.1% white24.3% student (full-time) Age = 28.2 (4.4)b 26.2% age 18–24.9 BMI = 25.4 (2.6)b | 4-month weight gain prevention intervention with low-intensity follow-up (average 3 years)Intervention 1 (SC): 10 group in-person sessions followed by online weight reporting with feedback and quarterly online refreshers; instructed to make small, daily changes to eating and activityIntervention 2 (LC): 10 group in-person sessions followed by online weight reporting with feedback and quarterly online refreshers; instructed to make large changes initially to produce weight loss of 5–10lbs to create buffer against future gains Control: 1 group in-person meeting providing an overview of both SC and LC approaches | Significantly greater weight losses in both LC and SC compared to Control at primary endpoint (average follow up of 3 years); significantly greater weight losses in LC compared to SC at primary endpoint |
| aSocial Mobile Approaches to Reduce Weight (Project SMART)86,91,93–94 | N=40470.3% female41.8% white100% student Age = 22.7 (3.8)b BMI = 29.0 (2.8)b | 24-month weight loss interventionIntervention: Delivery across multiple channels: Facebook, mobile apps, website, email, text, & health coaching Control: Access to general health education website without social networking components | No difference in weight loss between intervention and control at 24 months Significantly greater weight loss in intervention at 6 and 12 months compared to control |
| Treating Adults at Risk for Weight Gain with Interactive Technology (TARGIT)81 | N=33048.8% female57.3% white[student status not reported]100% current smokers Age = 29.7 (4.2)b BMI < 25: 23.0%25–29.9: 37.6%30+: 39.4% | See footnoted | See footnoted |